Finding the Fourth Proportional to 1,131,110,397.16, 1,696,648,549.02 and 508,886,212.84
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Solution
The fourth proportional to 1,131,110,397.16, 1,696,648,549.02 and 508,886,212.84 is: 763,321,649.95
Step by Step Solution
- Step 1: Write the proportion equation
1,131,110,397.16 : 1,696,648,549.02 = 508,886,212.84 : x - Step 2: Convert to fraction form
1,131,110,397.16/1,696,648,549.02 = 508,886,212.84/x - Step 3: Cross multiply
1,131,110,397.16x = 1,696,648,549.02 × 508,886,212.84 - Step 4: Simplify right side
1,131,110,397.16x = 863,401,054,631,268,864 - Step 5: Solve for x
x = 863,401,054,631,268,864/1,131,110,397.16 - Step 6: Final answer
x = 763,321,649.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.